"Wake up, Casey," a male voice said, lightly shaking my shoulders. My eyes slowly opened. I realized the voice belonged to Derek.

"What's wrong?" I woke with alarm in my voice. Immediately, I sat up straight, alert and looking around for danger.

"Nothing's wrong," Derek replied in a low voice. "It's time to go."

I looked around, my eyes barely opened to see Derek, Jada, and Trevor dressed in insurgent uniforms. Jada had her hair pulled up neatly into a bun and ...